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Finding the Fourth Proportional to 478,541.04, 660,362.79 and 263,646.42

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Solution

The fourth proportional to 478,541.04, 660,362.79 and 263,646.42 is: 363,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,541.04 : 660,362.79 = 263,646.42 : x
  2. Step 2: Convert to fraction form
    478,541.04/660,362.79 = 263,646.42/x
  3. Step 3: Cross multiply
    478,541.04x = 660,362.79 × 263,646.42
  4. Step 4: Simplify right side
    478,541.04x = 174,102,285,484.71
  5. Step 5: Solve for x
    x = 174,102,285,484.71/478,541.04
  6. Step 6: Final answer
    x = 363,818.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.